Jon Lester retires after epic MLB career as Red Sox, Cubs ace - Sports Illustrated
Professionally, Boston's Jon Lester trade made sense. Emotionally? It's rough, Boston Red Sox
A look back at Jon Lester's career - Beyond the Box Score
Jennings: In appreciation of Jon Lester, whose terrific numbers only partly define his exceptional career - The Athletic
Washington Nationals' new lefty Jon Lester on adjustments he's made in big league career - Federal Baseball
Two cities, one legend: Jon Lester reflects on one of a kind career with Sox, Cubs, Sports
Jon Lester announces retirement, St. Louis Cardinals lose potential pitching depth
SoxProspects News: Jon Lester: The rise of the $155 million man
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
Jon Lester calls Brayan Bello “crazy good” – NBC Sports Boston
Jon Lester and David Ross: Examining battery power - Over the Monster